3y+(-9)=(-15)

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Solution for 3y+(-9)=(-15) equation: 


Simplifying
3y + (-9) = (-15)
3y + -9 = (-15)

Reorder the terms:
-9 + 3y = (-15)
-9 + 3y = -15

Solving
-9 + 3y = -15

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 3y = -15 + 9

Combine like terms: -9 + 9 = 0
0 + 3y = -15 + 9
3y = -15 + 9

Combine like terms: -15 + 9 = -6
3y = -6

Divide each side by '3'.
y = -2

Simplifying
y = -2

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